【正文】
4, 567, 809 讀作 :four million, five hundred and sixtyseven thousand, eight hundred and nine 5, 678, 720, 000 讀作 :five billion, six hundred and seventyeight million, seven hundred and twenty thousand has the biggest population in the world. 中國擁有世界上最多的人口。 1, 025 meters deep Caspian Sea is 1,025 meters ’s the deepest lake of all the salt lakes.